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TPA731DRG4
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TPA731DRG4

Product Overview

The TPA731DRG4 belongs to the category of audio amplifiers. It is commonly used in audio systems to amplify low-power audio signals to drive headphones or speakers. The TPA731DRG4 is known for its compact package, high efficiency, and low power consumption. It is available in a small outline package (SOP) and comes in a quantity of 2500 units per reel.

Specifications

  • Power Supply Range: 2.5V to 5.5V
  • Output Power: 350mW per channel into 16Ω at 3.6V
  • Total Harmonic Distortion + Noise (THD+N): 0.1% at 1kHz, 150mW into 16Ω
  • Shutdown Current: 0.1μA (typical)
  • Package: SOP-8

Detailed Pin Configuration

The TPA731DRG4 has an SOP-8 package with the following pin configuration: 1. OUT1: Output Channel 1 2. GND: Ground 3. VDD: Power Supply 4. BYPASS: Bypass Capacitor Connection 5. IN1-: Input Channel 1 Negative 6. IN1+: Input Channel 1 Positive 7. SHUTDOWN: Shutdown Control 8. OUT2: Output Channel 2

Functional Features

  • Low Quiescent Current
  • Thermal and Short-Circuit Protection
  • Integrated Gain Select
  • Shutdown Control

Advantages and Disadvantages

Advantages

  • Small Package Size
  • Low Power Consumption
  • Integrated Protection Features

Disadvantages

  • Limited Output Power
  • Requires External Bypass Capacitor

Working Principles

The TPA731DRG4 operates by amplifying the input audio signal using internal gain stages and then driving the output channels to produce amplified audio output. It utilizes a low quiescent current design to minimize power consumption and includes protection features to safeguard the amplifier and connected audio devices.

Detailed Application Field Plans

The TPA731DRG4 is suitable for various portable and low-power audio applications, including: - Portable Media Players - Smartphones and Tablets - Laptop Computers - Bluetooth Speakers - Headphone Amplifiers

Detailed and Complete Alternative Models

Some alternative models to TPA731DRG4 include: - TPA6130A2: Higher Output Power - TPA6211A1: Lower Power Consumption - TPA2050D4: Stereo Bridge-Tied Load (BTL) Configuration

In conclusion, the TPA731DRG4 is a versatile audio amplifier suitable for portable and low-power audio applications, offering a balance of performance, size, and power efficiency.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av TPA731DRG4 i tekniska lösningar

Sure, here are 10 common questions and answers related to the application of TPA731DRG4:

  1. What is TPA731DRG4?

    • TPA731DRG4 is a mono, high-efficiency, Class-D audio amplifier with an integrated boost converter.

  2. What is the typical application of TPA731DRG4?

    • The typical application of TPA731DRG4 is in portable and battery-powered audio systems, such as Bluetooth speakers, portable radios, and headphones.

  3. What is the input voltage range for TPA731DRG4?

    • The input voltage range for TPA731DRG4 is typically between 2.5V and 5.5V.

  4. What is the output power capability of TPA731DRG4?

    • TPA731DRG4 can deliver up to 3.2W of continuous output power into a 4-ohm load at 5V.

  5. Does TPA731DRG4 require external components for operation?

    • Yes, TPA731DRG4 requires a few external components, including input and output capacitors, inductors, and resistors.

  6. What is the efficiency of TPA731DRG4?

    • TPA731DRG4 has a high efficiency of up to 90%, making it suitable for battery-powered applications.

  7. Can TPA731DRG4 operate in a stereo configuration?

    • No, TPA731DRG4 is a mono amplifier and is designed to operate in single-channel applications.

  8. What are the key features of TPA731DRG4?

    • Some key features of TPA731DRG4 include short-circuit and thermal protection, low quiescent current, and a small package size.

  9. Is TPA731DRG4 suitable for automotive applications?

    • Yes, TPA731DRG4 is suitable for automotive applications due to its wide input voltage range and robust performance.

  10. Where can I find the detailed application notes and datasheet for TPA731DRG4?

    • The detailed application notes and datasheet for TPA731DRG4 can be found on the manufacturer's website or distributor's resources.

I hope these questions and answers provide the information you were looking for! If you have any more specific questions, feel free to ask.